65423

Properties

Appears in sequences

• Primes that remain prime through 4 iterations of function f(x) = 9x + 4.at n=20A023325
• Largest prime arising that can be formed by stringing together the decimal expansions of some or all of the first n numbers in some order.at n=4A113030
• Primes p such that the decimal expansion of p remains prime under two iterations of base-10 to base-2 conversions.at n=17A123266
• Primes formed by rearranging five consecutive decimal digits (avoiding leading 0).at n=35A156119
• Number of ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and w+x+y>2.at n=26A211614
• Number of n X 2 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..2 n X 2 array.at n=27A219167
• a(n) = Sum_{k=1..n} (-2)^(floor(n/k) - 1).at n=16A345034
• a(n) is a binary encoded version of A355057(n).at n=23A354765
• Prime numbersat n=6535